Features: Adopting high quality white steel, wear-resistance, more durable in use. Steady precision clamp, tight closing, positioning accuracy. It is precise, accurate and efficient and tightly holds bit, can clip 0-3mm drill bits. Professional design, anti-slip handle which is comfortable to hold and operate. Suitable for drilling wood, linden, bone horn, olive stone, walnut, plastic and other materials. Specification: Material: White steel Weight: 23g/0.8oz Color: Silver Length: approx. 105mm/4.1inch Diameter: approx. 10mm/0.1inch Chuck Size: 0-3mm Package List: 1 x Double End Hand Drill Note: 1. This hand-twist drill is not suitable for drilling agate, jade, metal, steel and other hard materials, which may lead to unusable conditions. 2. When using, please wear protective tools and pay attention to emergencies. 3. Please keep the direction of force always vertical, uniform force rotation, otherwise the drill is easy to break. 1Adopting high quality white steel, wear-resistance, more durable in use. 2Steady precision clamp, tight closing, positioning accuracy. 3It is precise, accurate and efficient and tightly holds bit, can clip 0-3mm drill bits. 4Professional design, anti-slip handle which is comfortable to hold and operate. 5Suitable for drilling wood, linden, bone horn, olive stone, walnut, plastic and other materials.